The complete source for building, designing, and remodeling green homes
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Five Walls that Work
The subhead to this article—Whether you follow your local building code or shoot for high performance, use this guide to make sure your walls won't fail—makes a promise it can…
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Makeup Air for Kitchen Exhaust
Building codes are chock full of instances in which requirements for a certain assembly or feature are laid out in great detail, but the thing itself isn’t actually required. It’s…
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Living Building Challenge Met
The Living Building Challenge (LBC)— designed by the International Living Future Institute (ILFI)—is considered to be the world’s most rigorous green-building standard. The LBC is organized into seven performance areas…
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A Case for Double-Stud Walls
As a small-volume builder who mostly does renovations, I have not built that many new houses in my career. But those I have built, have all been thoughtfully designed and…
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Insights from a Practical Passive House
The office of Birdsmouth Design Build is located in a renovated, 850-square-foot Pullman rail car in downtown Portland, Or. This wasn’t always the case, but at a point when the…
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A Look at Low Carbon Homes
“If you are building a house in 2019, all of the embodied energy gets burned this year, which means that all of the carbon associated with that embodied energy is…
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An Intro to the Control Layers of a Wall
The first time I came by the term “control layer” was in a 2010 Building Science Corporation article called “The Perfect Wall," written by the firm's principal, Joseph Lstiburek. In…
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Step Flashing With Exterior Insulation
Step flashing a roof to a wall with continuous exterior insulation requires a decision: Do you bring the step flashing back to the structural wall sheathing behind the continuous exterior…
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A Pretty Good House in the Sierra Nevada
Though he landed his first job in architecture while still in high school, architect Jeff Adams's path to designing high-performance homes wasn’t a straight line. When his father encouraged him…
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Indoor Air Quality and VOCs
Do you know what activity we spend the most time doing? The answer is sleep. According to the Wall Street Journal, we spend more time sleeping than we do working,…
